Home / 3,132.48-4,699.80-1,185.24

Finding the Fourth Proportional to 3,132.48, 4,699.80 and 1,185.24

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Solution

The fourth proportional to 3,132.48, 4,699.80 and 1,185.24 is: 1,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.48 : 4,699.80 = 1,185.24 : x
  2. Step 2: Convert to fraction form
    3,132.48/4,699.80 = 1,185.24/x
  3. Step 3: Cross multiply
    3,132.48x = 4,699.80 × 1,185.24
  4. Step 4: Simplify right side
    3,132.48x = 5,570,390.95
  5. Step 5: Solve for x
    x = 5,570,390.95/3,132.48
  6. Step 6: Final answer
    x = 1,778.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.